CURLOPT_CLOSESOCKETDATA
Section: curl_easy_setopt options (3)
Updated: November 04, 2020
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NAME
CURLOPT_CLOSESOCKETDATA - pointer passed to the socket close callback
SYNOPSIS
#include <
curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CLOSESOCKETDATA, void *pointer);
DESCRIPTION
Pass a
pointer that will be untouched by libcurl and passed as the first
argument in the closesocket callback set with
CURLOPT_CLOSESOCKETFUNCTION(3).
DEFAULT
The default value of this parameter is NULL.
PROTOCOLS
All except file:
EXAMPLE
static int closesocket(void *clientp, curl_socket_t item)
{
printf("libcurl wants to close %d now\n", (int)item);
return 0;
}
/* call this function to close sockets */
curl_easy_setopt(curl, CURLOPT_CLOSESOCKETFUNCTION, closesocket);
curl_easy_setopt(curl, CURLOPT_CLOSESOCKETDATA, &sockfd);
AVAILABILITY
Added in 7.21.7
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSO
CURLOPT_CLOSESOCKETFUNCTION(3),
CURLOPT_OPENSOCKETFUNCTION(3),